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afegit suport Emscripten/WebAssembly al build system

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- CMakeLists.txt: branca EMSCRIPTEN amb SDL3 via FetchContent, preload de data/
  config/ i gamecontrollerdb.txt, WebGL2, EMSCRIPTEN_BUILD define i sortida .html.
  Exclou sdl3gpu_shader (no soportat a WebGL2) i el pack_tool en wasm.
- Makefile: target wasm via Docker emscripten/emsdk, build a build/wasm i
  sortida a dist/wasm (.html .js .wasm .data).
- director.cpp: createSystemFolder utilitza MEMFS en wasm (sense pwd.h/unistd.h),
  executable_path buit, dev-mode forçat (filesystem preload, no pack), windowed.
- screen.cpp: initShaders és no-op en wasm (SDL3 GPU no suportat a WebGL2).
- global_inputs.cpp: handleQuit és no-op en wasm (no es pot eixir del joc).
- Director::handleEvent ignora SDL_EVENT_QUIT en wasm.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Sergio
2026-04-13 09:02:00 +02:00
parent c32a880b6a
commit 70cfe5245d
5 changed files with 124 additions and 37 deletions
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20
Makefile
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@@ -285,6 +285,23 @@ linux_release:
# Elimina la carpeta temporal
$(RMDIR) "$(RELEASE_FOLDER)"
# ==============================================================================
# COMPILACIÓN PARA WEBASSEMBLY (requiere Docker)
# ==============================================================================
wasm:
@echo "Compilando para WebAssembly - Version: $(VERSION)"
docker run --rm \
-v $(DIR_ROOT):/src \
-w /src \
emscripten/emsdk:latest \
bash -c "emcmake cmake -S . -B build/wasm -DCMAKE_BUILD_TYPE=Release && cmake --build build/wasm"
$(MKDIR) "$(DIST_DIR)/wasm"
cp build/wasm/$(TARGET_NAME).html $(DIST_DIR)/wasm/
cp build/wasm/$(TARGET_NAME).js $(DIST_DIR)/wasm/
cp build/wasm/$(TARGET_NAME).wasm $(DIST_DIR)/wasm/
cp build/wasm/$(TARGET_NAME).data $(DIST_DIR)/wasm/
@echo "Output: $(DIST_DIR)/wasm/"
# ==============================================================================
# REGLAS ESPECIALES
# ==============================================================================
@@ -306,6 +323,7 @@ help:
@echo " make windows_release - Crear release para Windows"
@echo " make linux_release - Crear release para Linux"
@echo " make macos_release - Crear release para macOS"
@echo " make wasm - Crear release per a WebAssembly (requereix Docker)"
@echo ""
@echo " Herramientas:"
@echo " make compile_shaders - Compilar shaders SPIR-V"
@@ -316,4 +334,4 @@ help:
@echo " make show_version - Mostrar version actual ($(VERSION))"
@echo " make help - Mostrar esta ayuda"
.PHONY: all debug release windows_release macos_release linux_release compile_shaders pack_tool resources.pack show_version help
.PHONY: all debug release windows_release macos_release linux_release wasm compile_shaders pack_tool resources.pack show_version help